Abstract

Generation of high quality ultrashort optical pulses for optical communications in the 1,55 μm window is an important field of study. A key issue is the need to compress pulse width. Several techniques provide this compression functionality. Nonlinear Optical Loop Mirrors provide both compression and reshaping of the optical pulses. This work presents a comparative numerical study of several NOLM schemes whose results will be the basis for the design of a compact high quality ultrashort optical pulse source at 40 GBs with a monolithic InP semiconductor compressor. This source is under investigation within the MONOPLA project. A model based on the Nonlinear Schrodinger Equation is used. Input pulses are considered to be generated by a Gain Switching diode laser source. Characteristics such as time-bandwidth product, peak-power, pulse shape and pedestals are being considered.

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